package Cylinder;
public class Cylinder {

    public static void main(String[] args) {

        yuan C1=new yuan(5,8);
        double C2=C1.area();
        double C3=C1.VV();
        Cone cone=new Cone();
        double C4=cone.sign1();
        double C5=cone.sign2();
        System.out.println("圆面积："+C2+"圆体积："+C3);
        System.out.println("圆锥面积："+C4+"圆锥体积："+C5);

    }
}